baber/WOPTO huggingface dataset:
Patent JP-2022501162-A (JP)
Title: 化粧品アプリケータのための運動安定化デバイス
IPC: A45D34/04
Filed: 2019-11-14
Abstract: ユーザに起因する運動に応じてアプリケータを安定させる装置を提供し、該装置は、化粧品アプリケータと結合するように構成された受容器と、ユーザに起因する動きを検出するように構成された少なくとも１つのセンサと、検出された動きをオフセットする補償運動を決定するように構成された回路と、決定された補償運動に従って化粧品アプリケータの運動を制御するように構成された、受容器内に埋設された少なくとも１つの運動発生デバイスと、を備える。
Patent JP-2022519588-A (JP)
Title: Ｕｖフィルタリングを備えるフォトポリマーフィルム
IPC: B41C1/00
Filed: 2020-02-11
Abstract: 【解決手段】 液体フォトポリマーの１つ以上の層を化学線に画像露光する工程の間、液体フォトポリマーの１つ以上の層の非画像領域をマスキングすることができる画像フィルムネガを作り出す方法。本方法は、ａ）画像フィルムネガ上の画像のネガを含む画像フィルムネガを提供する工程であって、画像のネガが不透明領域のパターンを含む、提供する工程と、ｂ）不透明領域のパターンによって被覆されていない画像フィルムネガの部分上にフィルタリング層をインクジェット印刷する工程であって、画像フィルムネガの部分が、後続の露光工程において化学線の強度を変調することが望ましい部分を含む、インクジェット印刷する工程と、を含む。【選択図】なし
Patent JP-2022521287-A (JP)
Title: 自動車のドア又はテールゲートを開閉するためのアクチュエータ
IPC: C22C38/04
Filed: 2020-01-29
Abstract: 自動車のドア又はテールゲートを開閉するためのアクチュエータは、圧縮コイルばねとモータとを備える。圧縮コイルばねは、圧縮コイルばねの圧縮力が解放されるときに、自動車のドア又はテールゲートを開けるために設けられる。モータは、自動車のドア又はテールゲートを閉じるために、圧縮コイルばねを圧縮するために設けられる。圧縮コイルばねは、螺旋状にコイル巻きされた被覆鋼線を備える。螺旋状にコイル巻きされた被覆鋼線は、鋼心と金属被覆層とを備える。鋼心は、合金鋼を備える。合金鋼は、０．８～０．９５重量％の炭素と、０．２～０．９重量％のマンガンと、０．１～１．４重量％の珪素と、任意に、マイクロ合金元素、クロム、バナジウム、タングステン、モリブデン、ニオブ、又はボロンのうちの１つ又は複数と、任意に、アルミニウムと、不可避的不純物と、鉄とを含む。鋼心の微細構造は、伸線加工層状パーライトである。金属被覆層は、少なくとも８４質量％の亜鉛と、好ましくは、アルミニウムとを含む。
Patent JP-2022515295-A (JP)
Title: 抗菌性の植え込み可能な医療用デバイス
IPC: A61F2/02
Filed: 2019-12-10
Abstract: 本開示は、抗菌性の植え込み可能な医療用デバイスに関し、植え込み可能な医療用デバイスと、（単にニードルまたはカテーテルポート以外の外科用器具を使用して）植え込みのために外科的に設置されるときに、身体組織の中に位置決め可能な、または、身体組織を横断する、植え込み可能な医療用デバイスの少なくとも一部分の外部表面に適用される抗菌性金属とを含むことが可能である。【選択図】図１
Patent JP-2022528726-A (JP)
Title: Ｋ－最近傍探索のための分散型インメモリ空間データストア
IPC: G06F16/909
Filed: 2019-04-12
Abstract: データベースシステムは、複数のセルで構成される空間的に異なる複数のサブ空間で構成される地理的空間内に位置する移動オブジェクトに対して、高速で最近傍探索ができるように構成される。データベースシステムは、単一の保存ノードにおいて、１つまたは複数の空間的に異なるサブ空間を表すために、複数の保存ノードの間のオブジェクトデータの保存を制御するオペレーティングシステムを有する。各オブジェクトの位置データは、各ノード内の空間的に異なるサブ空間を構成するセルに対して、そのオブジェクトをインデックスするために使用される。【選択図】図２
Patent JP-2022530854-A (JP)
Title: 電子エアロゾル供給装置
IPC: A24F40/10
Filed: 2020-04-14
Abstract: 電子エアロゾル供給システムは、空気入口と空気出口との間の空気経路と、空気経路内に蒸気を生成する気化器とを備え、空気入口と気化器との間の空気経路は、層流を支持するように構成されている。【選択図】図２
Patent JP-2022530495-A (JP)
Title: マルチ導体ロータリーコネクタ
IPC: H01R24/38
Filed: 2020-05-01
Abstract: 電気コネクタは、レセプタクルに接続するように配置され設計されたプラグを備える。プラグは、電気絶縁本体と、導電リングと、プラグ導電リングに接続された導電性部材とを含む。レセプタクルは電気絶縁性本体と、軸方向の内孔と半径方向内向きを向く環状溝とを有する導体リングと、レセプタクル導体リングに接続された導電性部材と、略環状の外形を有する導電性接点とを含み、前記環状溝内に受け入れられかつ接触する前記導電性接点の少なくとも一部と、前記環状溝内に受け入れられない前記導電性接点の少なくとも一部とを有する。プラグをレセプタクルが挿入され、プラグ及びレセプタクル導体リングが実質的に半径方向に並ぶと、導電性接触は弾性変形し、プラグ導体リングとレセプタクル導体リングとの間に電気的接触を提供する。
Patent JP-2022540294-A (JP)
Title: ドラム洗濯機及びその制御方法
IPC: D06F37/10
Filed: 2020-05-15
Abstract: ドラム洗濯機は、内槽（１７）と、一方の側が内槽ドアヒンジを介して回動可能に内槽（１７）の槽口に装着される内槽ドア（６）、を含む。内槽ドア（６）が回動して内槽（１７）の槽口を閉止することで、洗濯時に独立して洗浄水を貯える独立した洗浄室が形成される。内槽ドアヒンジは、内槽ドアの開放角度を増大させるための回避部（５５）を有している。内槽ドアがより大きな開放角度を有するよう、当該ドラム洗濯機の内槽ドアヒンジは回避部を有している。これにより、衣類の出し入れが容易となるほか、内槽ドアの開放がドラム洗濯機のハウジングに干渉するとの事態が防止される。【選択図】図１９
Patent JP-2022538069-A (JP)
Title: 現在ブロックに対して最終的に予測モードを選択できない場合、インター予測を行う映像デコーディング方法及びその装置
IPC: H04N19/157
Filed: 2020-06-19
Abstract: 本文書の開示によれば、現在ブロックに対して最終的にマージモードを選択できない場合にデフォルトマージモード（ｄｅｆａｕｌｔ ｍｅｒｇｅ ｍｏｄｅ）を適用することによって效率的にインター予測を行うことができる。【選択図】図１
Patent JP-2022538846-A (JP)
Title: コンデンサ構造体
IPC: H01L21/822
Filed: 2020-06-17
Abstract: 第１の導電性型を有する、第１の導電性領域の第１のアイランド及び第１の導電性領域の第２のアイランドと、第１の導電性型とは異なる第２の導電性型を有する第２の導電性領域のアイランドと、第１の導電性領域の第１のアイランドの上にある誘電体と、誘電体の上にある導体と、第１の導電性領域の第２のアイランドの上にあり、第２の導電性領域のアイランドの上にあるダイオードの端子とを含むコンデンサ構造体。
Patent JP-2022043291-A (JP)
Title: Fantasy gaming
IPC: A63F13/79
Filed: 2022-01-04
Abstract: PROBLEM TO BE SOLVED: To achieve a game based on a player's action in a sports event, and other types of games. 
     SOLUTION: It is determined that a first user and a second user belong to a group, team selection information excluding players selected for the first and second teams is displayed such that the number of common players selectable for the first and second teams does not exceed a threshold, selection player information that shows players who are selected from the team selection information and form the first and second teams including the number of common players not exceeding the threshold is received, a first wager and a second wager are pooled in a parimutuel pool on the basis of a fact that the first user and the second user belong to a group and a first wager and a second wager are received, results of the first wager and the second wager are determined, and at least one account having a parimutuel pool is adjusted. 
     SELECTED DRAWING: Figure 4 
     COPYRIGHT: (C)2022,JPO&INPIT
Patent JP-2023100168-A (JP)
Title: Steel frame column-beam joint structure
Inventor: NAKATA KANJI
IPC: E04B1/24
Filed: 2022-01-05
Abstract: To provide a steel frame column-beam joint structure in which the required width of a through-diaphragm is specified so that a plasticized region is formed as designed in a steel frame beam.SOLUTION: A steel frame column-beam joint structure 1 in which a steel frame column 2 is connected to a steel frame beam 3 whose width is narrower than the column width includes: a through-diaphragm 4 that has a bracket part 42 that penetrates the inside of the steel frame column and protrudes to the outside; a splice plate 5 on which the width on the steel frame column side is widened and the steel frame beam side is formed on the beam width; and a plurality of high-strength bolts 6 for joining the steel frame column side end of the splice plate to the bracket part and joining the steel frame beam side end of the splice plate to the steel frame beam. A formula defines the required width of the through-diaphragm.SELECTED DRAWING: Figure 1
Patent JP-2022036209-A (JP)
Title: Cured product
IPC: C08G18/38
Filed: 2022-01-11
Abstract: PROBLEM TO BE SOLVED: To provide a cured product of monomers for two or more different optical materials used for a production method of an optical material capable of maintaining the quality of an optical material obtained and shortening the production time of an optical material. 
     SOLUTION: There is provided a cured product of a polymerizable composition for an optical material which comprises monomers for two or more different optical materials and a polymerization catalyst or a polymerizable prepolymer composition for an optical material which comprises a prepolymer having a polymerizable functional group which is a polymer of monomers for two or more different optical materials and a polymerization catalyst, wherein there is no striae with a length of 1.0 mm or more within a radius of 15 mm from the center of the cured product and the amine content measured by gas chromatography mass spectrometry is 0.03 mass% or more and 2.5 mass% or less. 
     SELECTED DRAWING: None 
     COPYRIGHT: (C)2022,JPO&INPIT
Patent JP-2023103903-A (JP)
Title: Sliding assist sheet
Inventor: KAJIWARA TAKASHI
IPC: B32B27/12
Filed: 2022-01-14
Abstract: To provide a sliding assist sheet that allows a heavy object to be mounted thereon and easily moved together therewith.SOLUTION: A sliding assist sheet includes: a fiber-containing layer 11; a low friction layer 12 provided on one side of the fiber-containing layer 11; and a high friction layer 13 provided on the other side of the fiber-containing layer 11. The fiber-containing layer 11 is preferably composed of knitted or woven fabric. The low friction layer 12 preferably contains at least one of polyamide and polyester. The high friction layer 13 preferably contains at least one of silicone oil and fluororesin.SELECTED DRAWING: Figure 1
Patent JP-2022040293-A (JP)
Title: Production control system
IPC: H05K13/00
Filed: 2022-01-18
Abstract: PROBLEM TO BE SOLVED: To provide a production control system that can reduce the number of circuit boards discarded during production even when an error requiring maintenance occurs during the execution of production processing by a production line. 
     SOLUTION: A production control system includes a determination unit that determines the necessity of maintenance for any of a plurality of production devices while production processing is being executed by a production line, and a transport control unit that stops the delivery of a circuit board to a printing machine located on the upstream side of the production line from a maintenance target device that has a maintenance factor from among a plurality of production devices at a predetermined timing when it is determined that maintenance is required, and allows the continuation of production processing for circuit boards already held in the printing machine and the production device located on the downstream side of the printing machine including the maintenance target device. 
     SELECTED DRAWING: Figure 1 
     COPYRIGHT: (C)2022,JPO&INPIT
Patent JP-2023105401-A (JP)
Title: game machine
Inventor: DATE AKIO
IPC: A63F5/04
Filed: 2022-01-19
Abstract: To appropriately set branching of a performance.SOLUTION: In a game in the middle of a continuous performance, an average value of the number of branches of a performance by a first stop of a stop switch is larger than an average value of the number of branches of a performance by a third stop (the number of branches by the third stop is "1" while the number of branches by the first stop is "2" in a performance 15). The number of performances for increasing a degree of expectation from among performances outputted by a first stop is larger than the number of performances for increasing a degree of expectation from among performances outputted by a third stop (the number of chance-up performances by the third stop is zero while the number of chance-up performances by the first stop is "1" in the performance 15 (event "1504")).SELECTED DRAWING: Figure 168
Patent JP-2023105508-A (JP)
Title: Bypass drainage groove
Inventor: TAKEDA KOJI
IPC: E02D17/20
Filed: 2022-01-19
Abstract: To provide a bypass drainage groove capable of suppressing overflow of water to a surrounding.SOLUTION: A bypass drainage mechanism 1 comprises a box-shaped box body 2 which is installed at an intersection of a vertical drainage groove 101 formed on a slope S and a horizontal drainage groove, and is installed overlapping above the intersection, and an upstream flow path portion 30 which is connected to one end of the box body 2 and extends linearly to guide water flowing in the vertical drainage groove 101 to the box body 2. The box body 2 comprises a bottom wall 5 and a pair of outer walls erected from the bottom wall 5 and provided on both sides of a line connecting one end of the box body 2 to the other end. The spaced dimension between the pair of outer walls is formed to be larger than the width of the upstream flow path portion 30 at any position from one end to the other end of the box body 2. The upstream flow path portion 30 comprises a guide flow path portion 31 which is provided at a gentler slope than the vertical drainage groove 101, protrudes inside the box body 2, and guides the water flowing in the upstream flow path portion 30 toward the bottom wall 5.SELECTED DRAWING: Figure 1
Patent JP-2023110439-A (JP)
Title: Photosensitive resin composition
Inventor: ORIGUCHI KAZUKI
IPC: G03F7/075
Filed: 2022-01-28
Abstract: To provide a photosensitive resin composition which has a low refractive index after curing and is also excellent in patterning properties (processability).SOLUTION: The photosensitive resin composition contains (A) a polysiloxane having a weight average molecular weight of 10,000-100,000, (B) hydrophilic hollow silica, and (C) a (meth)acrylate compound having a hydroxyl group or a carboxyl group. The content of the hollow silica (B) is 50-85 wt.% in the solid content.SELECTED DRAWING: None
Patent JP-2023114101-A (JP)
Title: Permanent magnet field, rotating machine, linear motor, and control system
Inventor: IMAMORI SATOSHI
IPC: H02K41/03
Filed: 2022-02-04
Abstract: To provide a technology capable of more appropriately suppressing thermal demagnetization of a permanent magnet field.SOLUTION: A magnetic field 20 according to an embodiment of the present disclosure includes a permanent magnet 21 that generates a magnetic field for an armature 10, and a thermoelectric conversion element 23 attached to the permanent magnet 21. For example, the thermoelectric conversion element 23 is a magnetic thermoelectric conversion element that generates a voltage signal by a magneto-thermoelectric effect such as the anomalous Nernst effect or the spin Seebeck effect, and is attached to a surface different from the magnetic pole surface of the permanent magnet 21.SELECTED DRAWING: Figure 3
Patent JP-2023114248-A (JP)
Title: Solid ion conductor, solid electrolyte, positive electrode material and sodium ion solid secondary battery
Inventor: RANDY JALEM
IPC: C01G31/00
Filed: 2022-02-04
Abstract: To provide a lithium compound for a solid electrolyte that excels in ion conductivity, charging/discharging stability and thermodynamic stability.SOLUTION: A solid ion conductor comprises a compound crystal whose formula consists of at least one selected from the group consisting of Na5-2xAl1-xVxS4, Na5-2xAl1-xTaxS4 and Na5-2xIn1-xSbxS4, 0.375≤x≤0.625.SELECTED DRAWING: Figure 1
Patent JP-2023114470-A (JP)
Title: Carriage cart and protective member
Inventor: NAKAO TETSUYA
IPC: B62B5/00
Filed: 2022-02-05
Abstract: To provide a carriage cart characterized in that a possibility that a user's hand is clamped with a surrounding wall is minimized, and a protective member.SOLUTION: A carriage cart 10 includes a placement part 20 on which an object to be carried is placed and in which an insertion hole HL1 into which a rod-like member P extending in a vertical direction is inserted is formed, and a protective member 40 that is attached to the insertion hole HL1 and ensures a distance D between a user's hand holding the rod-like member P and a wall surface. The protective member 40 includes an overhang 42 that overhangs by a predetermined overhanging quantity from an end surface of the placement part 20 in a plan view, and an insertion part 44 that is inserted into a gap S formed between the insertion hole HL1 and the rod-like member P inserted into the insertion hole HL1.SELECTED DRAWING: Figure 1
Patent JP-2022065024-A (JP)
Title: Pharmaceutical drug containing heterocyclidene acetamide derivative
IPC: A61P27/02
Filed: 2022-02-07
Abstract: PROBLEM TO BE SOLVED: To provide means for treating dry eye. 
     SOLUTION: The present invention discloses a composition that includes (E)-2-(7-trifluoromethyl-chroman-4-ylidene)-N-(7-hydroxy-5,6,7,8-tetrahydronaphthalene-1-yl)acetamide, a pharmaceutically acceptable salt thereof, or a solvate thereof; or a use of the composition. The present invention also discloses a composition for treating dry eye that includes a Vi/Vc zone inhibitor; or a use of the composition. 
     SELECTED DRAWING: None 
     COPYRIGHT: (C)2022,JPO&INPIT
Patent JP-2023120590-A (JP)
Title: game machine
Inventor: OGURA TOSHIO
IPC: A63F7/02
Filed: 2022-02-18
Abstract: To provide a game machine capable of enhancing interest in a game.SOLUTION: A game machine includes: game control means (a game control microcomputer 100) for controlling progress of a game; performance control means (a performance control CPU 120) for controlling a performance; and a liquid crystal indicator (an image display device 5). The performance control means displays a glass plate image on the liquid crystal indicator and executes a cracking performance for cracking the glass plate image according to a performance control command transmitted from the game control means.SELECTED DRAWING: Figure 1
Patent JP-2022151649-A (JP)
Title: Training method, device, equipment, and storage method for speech recognition model
Inventor: SHAO JUNYAO
IPC: G10L15/16
Filed: 2022-02-22
Abstract: To provide a training method, a device, equipment, and a storage method for a speech recognition model that can improve recognition precision of the speech recognition model.SOLUTION: A training method for a speech recognition model includes the steps of: acquiring probability of merging of at least one candidate text corresponding to a speech based upon an acoustic decoding model and a language model; selecting a previously set number of candidate texts based upon the probability of merging; and determining a prediction text based upon the previously set number of candidate texts; acquiring a loss function based upon the prediction text and a standard text corresponding to the speech, and training the speech recognition model based upon the loss function.SELECTED DRAWING: Figure 1
Patent JP-2022130353-A (JP)
Title: Resonance converter
Inventor: AOYAGI YUKI
IPC: H02M3/28
Filed: 2022-02-25
Abstract: To provide a resonance converter capable of easily expanding power.SOLUTION: Two conversion modules 3 are provided for one switch circuit 2, and a transformer T, a first capacitor C1 and a second capacitor C2 connected in series to a primary winding P1 of the transformer T, and a rectifier circuit RC connected to a secondary winding P2 of the transformer T are mounted in each of the conversion modules. One conversion module 3 serves as a high-potential-side conversion module in which the first capacitor C1 and the primary winding P1 are connected in series between a high-potential-side power supply line HP and the open end of a resonance reactor Lr, and the other conversion module 3 serves as a low-potential-side conversion module in which the primary winding P1 and the first capacitor C1 are connected in series between the open end (AC output terminal N1) of the resonance reactor Lr and a low-potential-side power supply line LP.SELECTED DRAWING: Figure 1
Patent JP-2023124949-A (JP)
Title: Image forming apparatus
Inventor: IKEGAMI YUSUKE
IPC: G03G21/18
Filed: 2022-02-28
Abstract: To provide an image forming apparatus that can arrange a cam and a cam follower in a compact manner, while achieving a function to retreat the cam follower.SOLUTION: An image forming apparatus comprises: a cam 150K; and a cam follower 170K that, with the rotation of the cam 150K, is slide-movable in a rotation axis direction of the cam 150K between a pressing position in contact with a cam surface 154 and a non-pressing position separated from the cam surface 154. The cam 150K has: a switching projection 156 that causes a switching lever 160 to swing between a transmission position where a driving force can be transmitted to a developing roller and a cut-off position where the driving force is not transmitted to the developing roller, and that is arranged on a surface on one side in the rotation axis direction of the cam 150K; and a first projection 157A that, when brought into contact with a linear motion plate 200 linearly moving forward from a first position to a second position, rotates the cam 150K to locate the cam follower 170K at the non-pressing position, and that is arranged on a surface on the other side in the rotation axis direction of the cam 150K.SELECTED DRAWING: Figure 18
Patent JP-2023125870-A (JP)
Title: Monitoring device, monitoring method, and monitoring program
Inventor: OKABE TAKUYA
IPC: G08B25/04
Filed: 2022-02-28
Abstract: To provide a monitoring device, a method and a program for providing a notification on an alarm delay situation in a monitored environment.SOLUTION: In a monitoring system, a monitoring device 50 provided in a center monitoring room 5 receives alarm information containing specifics of an alarm and a time of detection when the alarm was detected from a controller 10, which serves as a detection device for detecting alarms of monitored devices such as an air conditioning facility 1a, an electric facility 1b, an anti-disaster facility 1c, a crime prevention facility 1d, and a thermal source facility 1n. The monitoring device 50 calculates an elapse time as a difference between a time of reception when the alarm information was received and the time of detection contained in the alarm information, and outputs the elapse time with the specifics of the alarm contained in the alarm information. As a result, the monitoring device can provide a notification on an alarm delay situation in a monitored environment.SELECTED DRAWING: Figure 2
Patent JP-2023127251-A (JP)
Title: vacuum valve
Inventor: TATEYAMA TOMOHIRO
IPC: H01H33/662
Filed: 2022-03-01
Abstract: To provide a low-cost vacuum valve capable of keeping an insulation performance (cutoff performance) constant and maintaining a floating potential of an arc shield at an electrode opening time in an optimal state while utilizing an existing vacuum valve as it is without changing a design.SOLUTION: The present invention relates to a vacuum valve P comprising a cylindrical insulation container 1, in which electrodes E1 and E2 are accommodated in an approachable/separable state, and a cylindrical arc shield 5 extending so as to enclose the electrodes, and the insulation container is configured by connecting cylindrical insulation porcelain tubes 1a and 1b to both terminals T1 and T2 of the arc shield. The vacuum valve includes arc shield potential raising means 14 which raises a potential of the arc shield at an electrode opening time. The arc shield potential raising means is provided in contact with at least a partial region in an entire region including the insulation porcelain tubes constituting the insulation container and the arc shields, and electrostatic capacitance in the partial region is changed to be increased/decreased.SELECTED DRAWING: Figure 1
Patent JP-2023128361-A (JP)
Title: Portable anti-influenza suction apparatus and cartridge
Inventor: TAKEHARA TAKASHI
IPC: A61M15/00
Filed: 2022-03-03
Abstract: To provide a portable anti-influenza suction apparatus which urges to daily suction and take in spray gas of a hot water extract of microalgal Euglena effective for influenza infection from the nose and mouth.SOLUTION: A portable anti-influenza suction apparatus comprises: a nozzle for suction which can be suctioned by the nose and mouth; and a replaceable cartridge which includes a hot water extract of microalgal Euglena, and in which a discharge port located on the tip thereof is arranged on the upstream side of the nozzle for suction and the discharge port can discharge the hot water extract of the microalgal Euglena to the outside. When the nozzle for suction is suctioned, the hot water extract of the microalgal Euglena in the cartridge is discharged with the negative pressure, and spray gas of the hot water extract of the microalgal Euglena is guided to a suction port of a nozzle part for suction on the downstream side and is discharged to the outside.SELECTED DRAWING: Figure 3
Patent JP-2023130268-A (JP)
Title: vehicle
Inventor: KIRITOSHI SHO
IPC: B60T8/17
Filed: 2022-03-07
Abstract: To provide a vehicle which can be favorably manually moved.SOLUTION: An electric tricycle vehicle 1 with three wheels comprises: a front side movement operation part 71 for movement operation of a vehicle through force applied from outside of the vehicle, a first right side movement operation part 72, a first left side movement operation part 73, a second right side movement operation part 74, a second left side movement operation part 75, a rear right side movement operation part 76, and a rear left side movement operation part 77; brake control parts 81, 82, 83, 84, and 85 which are arranged respectively at the front side movement operation part 71, the first right side movement operation part 72, the first left side movement operation part 73, the second right side movement operation part 74, the second left side movement operation part 75, the rear right side movement operation part 76, and the rear left side movement operation part 77 to perform brake control of rear wheels 3a, 3b; and rear brakes which brake the rear wheel 3a and the rear wheel 3b respectively according to respective operations by a user with respect to the brake control parts 81, 82, 83, 84, and 85.SELECTED DRAWING: Figure 3